orologio en Altadefinizione. Noir et Blanc, a 16 mm black-and-white film also presented at the Guggenheim, literalizes this sense of reaching an endpoint: The four-and-a-half-minute, fully abstract variation on Kodak’s theme was created using the few remaining rolls of double-sprocketed black-and-white film the artist could source. There are now apparently none left in the world. Where does Dean go from here?